Answer:
I believe the answer is C.
What do stabilizeing selection and disruptive selection have in common
Explanation:
Stabilizing selection is the opposite of disruptive selection. Instead of favoring individuals with extreme phenotypes, it favors the intermediate variants. Stabilizing selection tends to remove the more severe phenotypes, resulting in the reproductive success of the norm or average phenotypes.
the two main function of sweat are a. to keep the body cool and to remove excess protein b. to remove waste products and to cool the body
Answer:
Then answer is A
Explanation:
A muscle that has an origin on the spine of the scapula and an insertion on the occipital nuchal line is capable of
extending the head
Explanation:
Hope it helps
How does a small bulb affect the sensitivity of a thermometer?
Answer:
By sunlight energy
Explanation:
The end of the thermometer is sensitive
what are the harmful effects of bacteria.
Answer:
Some types of bacteria can cause diseases in humans, such as cholera, diptheria, dysentery, bubonic plague, pneumonia, tuberculosis (TB), typhoid, and many more. If the human body is exposed to bacteria that the body does not recognize as helpful, the immune system will attack them.
Explanation:
HOPE IT HELPS
Answer:
Some types of bacteria can cause diseases in humans, such as cholera, diptheria, dysentery, bubonic plague, pneumonia, tuberculosis (TB), typhoid, and many more.
If the human body is exposed to bacteria that the body does not recognize as helpful, the immune system will attack them. This reaction can lead to the symptoms of swelling and inflammation that we see, for example, in an infected wound.
In what order does blood flow through the body and heart? A. Right atrium, left atrium, lungs, right ventricle, left ventricle, body. B. Right atrium, left ventricle, lungs, left atrium, right ventricle, body. C. Right atrium, right ventricle, lungs, left ventricle, left atrium, body. D. Right atrium, right ventricle, lungs, left atrium, left ventricle, body.
Answer:
answer is D
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Explanation:
Blood comes into the right atrium from the body, moves into the right ventricle and is pushed into the pulmonary arteries in the lungs. After picking up oxygen, the blood travels back to the heart through the pulmonary veins into the left atrium, to the left ventricle and out to the body's tissues through the aorta.
The statement that describes the order blood flows through the body and the heart is:
Right atrium, right ventricle, lungs, left atrium, left ventricle, body.What is blood?It is a red liquid with different shades that varies according to the amount of oxygen it has inside, that is, hemoglobin.
Characteristics of blood circulationIt is a necessary substance for oxygenation to occur between cells, as well as to regulate blood pressure.Each side of the heart is divided into an upper chamber called the atrium and a larger, lower chamber called the ventricle.The blood flows since it has left the right ventricle, has been oxygenated by the lungs and has returned to the left atrium through the pulmonary veins, it is carried to the left ventricle.Therefore, we can conclude that the main function of the blood is to ensure that oxygen and nutrients are distributed between the cells of each organism.
Learn more about blood circulation here: https://brainly.com/question/3346248
What is an Obligate anaerobe? How do obligate anaerobes, like the bacteria C. Botulinum, get energy ?
Answer:
See the answer below
Explanation:
Obligate anaerobes are microbes that can only survive in oxygen-deficient environments. They are killed by the normal atmospheric level of oxygen and will only thrive in environments whose oxygen levels are lower than that of normal atmospheric level.
Obligate bacteria such as Clostridium botulinum obtain their energy through anaerobic respiration processes such as fermentation and anaerobic respiration. During this process of fermentation, the lactic acid pathway is mostly used but other fermentation pathways such as propionic acid, mixed acid, acetogenesis, and methanogenesis pathways can be used.
In adults, red bone marrow is located in ______. Multiple select question. the sternum the ribs vertebrae skull bones the diaphysis of the humerus
Answer:
The sternum
The ribs
Vertebrae
skull bones
the humerus
Why do biologists classify
Answer:
Biologists classify organisms because:
Classification allows us to understand diversity better. It helps in the identification of living organisms as well as in understanding the diversity of living organisms. Classification helps us to learn about different kinds of plants and animals, their features, similarities and differences. It enables us to understand how complex organisms develop from simpler organisms. They are grouped under different categories to understand and study the features, similarities and differences between different living organisms. It is essential to understand the inter-relationships among the different groups of organisms. Classification forms a base for the development of other biological sciences.Regarding the planes of axes, a joint that is capable of moving through all three anatomical planes is called
Answer:
Multiaxial joint
Explanation:
Joint is understood as the set of structures that allow the union of two or more bones and / or cartilage with each other. The synovial joint is a union that is established between bones that have different articular surfaces. There are factors that determine the axes of space in which a joint can be mobilized, in such a way that uniaxial, biaxial or multiaxial joints are identified. The multiaxial joint is movements in around three axes or three degrees of freedom. These joints can perform any movement. This movement that is carried out in the three axes is called circumduction movement (in a circle). The movements that a synovial joint can carry out are sliding, extension, flexion, abduction, adduction, medial rotation, lateral rotation, circumduction, protrusion, retrusion, diduction, pronation, supination, inversion, eversion, among others.
Parte de la variabilidad genética que aporta la meiosis se produce en la
Answer:
Se produce durante la profase 1 de la meiosis, y en ella se da un entrecruzamiento entre una de las dos cromátidas de los cromosomas homólogos, por lo que las cromátidas resultantes son diferentes entre sí y de las originales.
Explanation:
When describing a group of animals, you speak about an ancestral species and some but not all of its descendants. This is an example of a _____. Group of answer choices monophyletic group polyphyletic group paraphyletic group
Answer:
This is an example of a paraphyletic group.
Explanation:
Paraphyletic groups is a group that contains only part of the descendants of a common ancestor. A group is constituted as paraphyletic when one or more holophyletic groups are subtracted from a clade (evolutionary branch). Traditional classifications are loaded with paraphyletic groups, such as invertebrates, pteridophytes, opposites. In each of these cases the group is defined by the exclusion of a smaller group within a larger one. An example is the reptiles are a paraphyletic group, since when we refer to them we are excluding mammals and birds even though they are taxa that evolutionarily descend from reptiles.
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A new small molecule drug inhibits the function of the APC/C. If this drug were applied to cells undergoing the cell cycle, what do you think would be the result
Answer:
The cycle will not be completed.
Explanation:
The cell cycle will not be completed because the drug inhibits the function of the anaphase promoting complex whose functions is to regulate progression through the mitotic phase of the cell cycle and to control entry into S phase. If the drug inhibits the anaphase promoting complex, the cell cycles will not move in the forward direction to enter to the S phase in order to complete the cell cycle.
What part of the joint cavity lubricates the joint, supplies nutrients, removes metabolic wastes, and absorbs shock
Explanation:
The synovial capsule which secretes synovial fluid which lubricates the joint,absorbs shock etc
23. The part of the seed that develops into the root system is known as the ………………………………………….
Radicle......................
According to the body-cover theory of phonation, which part of the vocal fold is not considered to be a portion of the cover
Answer: B. Thyroarytenoid muscle
Explanation:
The options include:
A. Epithelium
B. Thyroarytenoid muscle
C. Superficial layer of the lamina propria
D. Intermediate layer of the lamina propria
The cover-body theory of vocal fold vibration was published by Hurano in 1974 and he described the morphological structure of the vocal folds. He also divided them into the body and cover layer biomechanically.
The main substance of the vocal fold is regarded as the thyroarytenoid muscle. The muscle provides most of the mass of the vocal cord.
Animals in Cestoda have: Group of answer choices septa and parapodia proglottids and no digestive system a pharynx and gastrovascular cavity a water vascular system
Answer:
no digestive system
Explanation:
Animals in Cestoda have no digestive system so they takes nutrients through its cell wall. Cestodes have no digestive tract so they absorb nutrients from the host across the body wall. Most of the flatworms have conspicuous digestive systems while on the other hand, the digestive system of turbellarians consists of mouth, pharynx, and intestine so we can conclude that Cestoda have no digestive system to absorb nutrients like other organisms.
Which order shows the levels of organization from smallest to largest?
cell -
organ
-
tissue
organ system
-
organism
-
cell tissue > organ – organ system organism
cell organ system organ-
tissue -> organism
O cell organ → organ system - tissue organism
Answer:
The order to show the smallest out largest is: Cell - Tissue - Organ - Organ system - Organism.
Explanation: Organelle are subcellular structures that preform functions in the cell. AND ARE NOT ORGANS.
Use the cladogram about fish to answer the following questions.
Which of the following best describes the organism located at point B?
does not have jaws
has bones, but not jaws
has bones
has jaws, but not bones
Not all individuals in a population will survive to reproduce. Those that do, pass their
to their offspring.
Answer: D
Explanation:
it has Jews but not bones
Scientists have noted patterns in the Earth's seafloor structures. For example, volcanic ridges are typically located in the center of the oceans, and trenches are typically located along the edges of continents. In addition, seafloor rocks found at the trenches are usually older than seafloor rocks found at the volcanic ridges. Which explanation of the past movement of the Earth's plates is best supported by this information? A. The continents were pushed apart when new crust formed in the center of the ocean and pushed older crust away from the volcanic ridges. B. The continents were separated when new crust that formed at the edges of the continents pushed older crust towards the center of the ocean. C. The formation of new crust at the trenches widened the seafloor and pushed the edges of the continents away from one another. D. The Earth's crust formed at the trenches and moved towards the volcanic ridges to make room for newer crust, pushing the continents apart.
Answer:
A. The continents were pushed apart when new crust formed in the center of the ocean and pushed older crust away from the volcanic ridges.
Explanation:
The crust is divided into many plates that move over the mantle. Nowadays, there are six different bigger plates and twelve that are smaller. These plates are limited by three types of ridges or borders that differ in the movement they produce.
Boundaries types:
I. Divergent
II. Convergent
III. Transforming
In divergent boundaries, a new crust is created by the rising molten materials coming from the mantle. Two plates separate, and the stream of hot material creates a new seabed between them. It occurs an expansion of the sea bottom. As old plates get separated, the new and young crust instantaneously gets formed. The emerging mantle occupies the space left by the separation of the two plates. This process occurs along with an underwater mountain range, known as the mid-oceanic ridge or divergent ridge. An example of this is the ridge located in the middle of the Atlantic Ocean, extending from Greenlander to the southernmost point of South America.
Weathering and erosion are largely responsible for determining ___________.
A. the pattern of wind currents
B. the shapes and features of landforms
C. the height of mountains
D. the color of rocks and stones
Hurry!!
Answer:
B
Explanation:
it cause changes to shape size and texture of different landforms
Answer:
Correct answer is B
because erosion and weathering change the shape of the landforms
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Explanation:
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identify three plant tissues in images
which type of plant was important in establishing the transition from water to land and the dominance of gametophyte
Answer: Nonvascular plants
Explanation:
Non-vascular plants are the plants that do not have a vascular system that has a xylem and phloem but rather, they have simpler tissues which have specialized functions that are used in the internal transport of water.
The type of plant that was important in establishing the transition from water to land and the dominance of gametophyte is the non vascular plant.
What term describes the organisms that obtain energy from dead organic matter and aid nutrient cycling
Answer:
Decomposers.
Explanation:
Decomposers are the organisms that obtain energy from dead organic matter and help in nutrient cycling. The example of such type of organisms are bacteria and fungi. These organisms feed on the dead bodies of plant and animals. It perform two function i.e. clean the environment by removing the dead body through feeding on it and add nutrients in the soil which helps the plants to grow more efficiently.
Fill in the blank question. The initial effect of a stimulus on a sensory receptor is a small, local change in membrane potential called a(n)
Answer:
The initial effect of a stimulus on a sensory receptor is a small, local change in membrane potential called a(n) receptor potential.
Explanation:
The process used by sensory receptors to transform the physical energy of the sensory stimulus into action potentials, the fundamental unit of information in the nervous system, is called sensory transduction. The entrance of positive charges towards the interior (mainly Na +), will cause a depolarization; while if there is an exit of positive charges from the interior (mainly K +) then hyperpolarization will occur. This change in membrane potential is called the receptor potential. A receptor potential is then a local potential that can sometimes represent the only response that results from the transduction process, for example in the taste sensory cell.
How are meiosis and mitosis similar?
Answer:
both processes of cell division in which cells reproduce
they share similar steps (prophase, metaphase, anaphase, telephase, cytokinesis) (meiosis has a second division but still follows the same steps)
Answer:
Meiosis II is very similar to mitosis; chromatids are separated into separate nuclei. As in mitosis, it is spindle fibers that “pull” the chromosomes and chromatids apart. The end result of meiosis is four cells, each with one complete set of chromosomes instead of two sets of chromosomes.
Explanation:
Hope this helps
Write two sentences or clues, one for each word, that will help you remember the difference between actin and myosin. (Example: Actin is actively pulled)?
Answer:
The correct answer is -
Actin produces thin contractile filaments within muscle cells,
Myosin produces the dense contractile filaments within muscle cells
Explanation:
Actin is a globular protein that makes actin filaments by arranging in the long spiral chain or produces thin contractile filaments within muscle cells. It is found in cell cytoplasm as well as in the nucleus in eukaryotic cells.
Myosin is a motor protein that produces the dense contractile filaments within muscle cells and plays role in generating movement and force from chemical energy.
Why do only certain cells respond to particular signaling molecules that are sent throughout the body
Answer:
The presence of appropriate receptor dictates which cells will be receptive to a particular signal.
Explanation:
Some cells only respond to certain molecules because they have receptors to accept those molecules. Hence, due to this, only some molecules can be accepted by the cells.
How does a particular cell accept the molecules?Hormones are secreted by endocrine glands into the blood. The endocrine glands, such as the pituitary gland, secrete their hormones directly into the blood, but not all cells of the body can bind to the molecule and perform the cellular functions.
The cells' surface has receptors for molecules such as peptide molecules or polar hormones that can't directly enter the cell. Hence, they bind to the cell surface receptors and send signals with respect to those hormones.
A hydrophobic hormone can directly enter the cell as it can easily pass the plasma membrane. After entering the cell, it has some receptors in the nucleus or in the cytoplasm. This hormone can perform functions such as gene activation after binding with them.
Hence, after binding with receptors, they show their performance, and not every cell has the same receptors for a single molecule.
To learn more about the cell, refer here.
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Identify the producer in the following food chain: Oak tree, Caterpillar, Blue Jay, Bobcat
A. Caterpillar
B. Oak tree
C. Blue Jay
D. Bobcat